Pete Doherty once dated supermodel Kate Moss, and many say he was responsible for her worst period of drug use. Moss went to rehab after photos surfaced of her snorting what looked like cocaine in a recording studio during one of Doherty's sessions.

Amy Winehouse died in July after a long battle with drug and alcohol abuse. Her family has since created the Amy Winehouse Foundation to help keep kids off drugs and achieve their dreams.